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Category:   Application (Generic)  >   EMC AlphaStor Vendors:   EMC
EMC AlphaStor Stack Overflows in Server Agent Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1020115
SecurityTracker URL:
CVE Reference:   CVE-2008-2158   (Links to External Site)
Date:  May 27 2008
Impact:   Execution of arbitrary code via network, Root access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.1 SP1; possibly other versions
Description:   A vulnerability was reported in EMC AlphaStor in the Server Agent. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted data to TCP port 41025 to trigger a stack overflow and execute arbitrary code on the target system. On Windows-based systems, the code will run with System privileges.

Windows is affected. Other operating systems were not tested.

Several buffer overflows exist.

The vendor was notified on April 16, 2008.

Stephen Fewer of Harmony Security reported some of these vulnerabilities via iDefense. Sean Larsson of iDefense Labs reported some of these vulnerabilities.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fix, as described in knowledgebase article emc186391, available at:

Vendor URL: (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Red Hat Enterprise), UNIX (AIX), UNIX (HP/UX), UNIX (SGI/IRIX), UNIX (Solaris - SunOS), UNIX (Tru64), Windows (2000), Windows (2003)
Underlying OS Comments:  Confirmed only on Windows

Message History:   None.

 Source Message Contents

Subject:  iDefense Security Advisory 05.27.08: EMC AlphaStor Server Agent

iDefense Security Advisory 05.27.08
May 27, 2008


AlphaStor is a suite of applications used for disk management. For more
information, please see the vendor's website at the following URL.


Remote exploitation of multiple stack based buffer overflow
vulnerabilities in EMC Corp.'s AlphaStor could allow an attacker to
execute arbitrary code with SYSTEM privileges.

AlphaStor consists of multiple applications, one of which is the Server
Agent. The Server Agent is one of the core components of AlphaStor, and
is used to initiate disk management requests. The Agent consists of
several processes, one of which is the AlphaStor Command Line Interface
process. This process listens on TCP port 41025, and is prone to
multiple stack based buffer overflow vulnerabilities.


Exploitation of these vulnerabilities results in the execution of
arbitrary code with the privileges of the affected service, usually
SYSTEM. The vulnerabilities occur before any authentication, so they
can be exploited by anonymous attackers with the ability to create a
TCP connection to port 41025 on the server.


iDefense has confirmed the existence of these vulnerabilities in
AlphaStor version 3.1 SP1 for Windows. Previous versions, as well as
versions for other platforms, may also be affected.


iDefense is currently unaware of any workarounds for these issues.


"EMC has issued updates to correct this issue. More details can be found
in knowledgebase article emc186391 available from EMC
customers can further contact EMC Software Technical Support at


The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2008-2158 to this issue. This is a candidate for inclusion in
the CVE list (, which standardizes names for
security problems.


04/16/2008  Initial vendor notification
04/16/2008  Initial vendor response
05/27/2008  Coordinated public disclosure


Three of these vulnerabilities were reported to iDefense by Stephen
Fewer of Harmony Security ( Two were
discovered by Sean Larsson, iDefense Labs.

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